How to vote in Idaho in 2026
Every deadline, rule, and official link — kept simple. When you're ready, build a personal plan with calendar reminders in about a minute.
Key dates
- State Primary
- Tuesday, May 19, 2026
- General Election
- Tuesday, November 3, 2026
- Register online by
- Friday, October 23, 2026
- Register by mail by
- Friday, October 23, 2026(received)
- Register in person by
- Tuesday, November 3, 2026
- Request a mail ballot by
- Friday, October 23, 2026
Deadlines shown are for the November 3, 2026 general election.
Register to vote
Online: 25 days before Election Day. By mail: Postmarked 25 days before Election Day. In person: 25 days before Election Day. Same-day registration available.
Online — the fastest way
A few minutes on the official site.
By mail
Print, sign, and mail the National Mail Voter Registration Form.
In person
At your local election office — or same-day at the polls.
Already registered? Double-check.
Vote by mail
Any registered voter can vote by mail in Idaho. Received by 5pm 11 days before Election Day
Returning it: Received by 8pm on Election Day.
Vote in person
Vote early where available (dates vary by county), or at your polling place on Election Day — Tuesday, November 3, 2026.
Quick answers
Can I register to vote online in Idaho?
Yes — Idaho has official online registration (deadline: Friday, October 23, 2026 for the general election). It usually takes a few minutes.
Do I need an excuse to vote by mail?
No — any registered voter in Idaho can request a mail ballot, no excuse needed.
Can I register on Election Day?
Yes — Idaho offers same-day registration. Online: 25 days before Election Day. By mail: Postmarked 25 days before Election Day. In person: 25 days before Election Day. Same-day registration available.
When are the 2026 elections?
State Primary: Tuesday, May 19, 2026 · General Election: Tuesday, November 3, 2026
Turn this into your plan
Three questions, then every Idaho deadline lands on your calendar with reminders.
Make your voting planCompiled from official state sources, vote.gov, and Ballotpedia (2026 calendars). Rules occasionally change — when it matters, confirm with the Idaho election office. Found an error? Tell us.